im so tired man

walkguide-mobile/walkguide_app/lib/core/i18n/app_strings.dart

@@ -1,9 +1,19 @@
+import 'package:flutter/widgets.dart';
+
 class AppStrings {
   final String localeCode;
 
   const AppStrings(this.localeCode);
 
-  static const supportedLocales = ['id-ID', 'en-US'];
+  static const supportedLocales = [
+    Locale('id', 'ID'),
+    Locale('en', 'US'),
+  ];
+
+  static AppStrings of(BuildContext context) {
+    return Localizations.of<AppStrings>(context, AppStrings) ??
+        const AppStrings('id-ID');
+  }
 
   String get walkGuideStarted => _pick(
         id: 'WalkGuide dimulai',
@@ -29,3 +39,21 @@ class AppStrings {
     return localeCode == 'en-US' ? en : id;
   }
 }
+
+class AppStringsDelegate extends LocalizationsDelegate<AppStrings> {
+  const AppStringsDelegate();
+
+  @override
+  bool isSupported(Locale locale) {
+    return locale.languageCode == 'id' || locale.languageCode == 'en';
+  }
+
+  @override
+  Future<AppStrings> load(Locale locale) async {
+    final code = locale.languageCode == 'en' ? 'en-US' : 'id-ID';
+    return AppStrings(code);
+  }
+
+  @override
+  bool shouldReload(covariant LocalizationsDelegate<AppStrings> old) => false;
+}